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Merge pull request #29050 from taosdata/fix/main/TD-33137 

fix different byte length when union all with varchar
This commit is contained in:
Shengliang Guan 2024-12-09 11:49:45 +08:00 committed by GitHub
parent 4978c0aa59 1f36e0a821
commit 41d7a2c667
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GPG Key ID: B5690EEEBB952194
4 changed files with 17 additions and 6 deletions
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7
source/libs/nodes/src/nodesUtilFuncs.c
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@ -2950,17 +2950,16 @@ int32_t nodesValueNodeToVariant(const SValueNode* pNode, SVariant* pVal) {
case TSDB_DATA_TYPE_VARCHAR:
case TSDB_DATA_TYPE_VARBINARY:
case TSDB_DATA_TYPE_GEOMETRY:
pVal->pz = taosMemoryMalloc(pVal->nLen + 1);
pVal->pz = taosMemoryCalloc(1, pVal->nLen + 1);
if (pVal->pz) {
memcpy(pVal->pz, pNode->datum.p, pVal->nLen);
pVal->pz[pVal->nLen] = 0;
memcpy(pVal->pz, pNode->datum.p, varDataTLen(pNode->datum.p));
} else {
code = terrno;
}
break;
case TSDB_DATA_TYPE_JSON:
pVal->nLen = getJsonValueLen(pNode->datum.p);
pVal->pz = taosMemoryMalloc(pVal->nLen);
pVal->pz = taosMemoryCalloc(1, pVal->nLen);
if (pVal->pz) {
memcpy(pVal->pz, pNode->datum.p, pVal->nLen);
} else {

1
source/libs/scalar/src/scalar.c
View File

@ -1241,7 +1241,6 @@ EDealRes sclRewriteFunction(SNode **pNode, SScalarCtx *ctx) {
ctx->code = TSDB_CODE_OUT_OF_MEMORY;
return DEAL_RES_ERROR;
}
res->node.resType.bytes = varDataTLen(output.columnData->pData);
(void)memcpy(res->datum.p, output.columnData->pData, varDataTLen(output.columnData->pData));
} else {
ctx->code = nodesSetValueNodeValue(res, output.columnData->pData);

6
source/libs/scheduler/src/schTask.c
View File

@ -1129,7 +1129,11 @@ int32_t schLaunchRemoteTask(SSchJob *pJob, SSchTask *pTask) {
int32_t schLaunchLocalTask(SSchJob *pJob, SSchTask *pTask) {
// SCH_ERR_JRET(schSetTaskCandidateAddrs(pJob, pTask));
if (NULL == schMgmt.queryMgmt) {
SCH_ERR_RET(qWorkerInit(NODE_TYPE_CLIENT, CLIENT_HANDLE, (void **)&schMgmt.queryMgmt, NULL));
void* p = NULL;
SCH_ERR_RET(qWorkerInit(NODE_TYPE_CLIENT, CLIENT_HANDLE, &p, NULL));
if (atomic_val_compare_exchange_ptr(&schMgmt.queryMgmt, NULL, p)) {
qWorkerDestroy(&p);
}
}
SArray *explainRes = NULL;

9
tests/system-test/2-query/union.py
View File

@ -426,6 +426,15 @@ class TDTestCase:
tdLog.printNoPrefix("==========step4:after wal, all check again ")
self.all_test()
self.test_TD_33137()
def test_TD_33137(self):
sql = "select 'asd' union all select 'asdasd'"
tdSql.query(sql, queryTimes=1)
tdSql.checkRows(2)
sql = "select db_name `TABLE_CAT`, '' `TABLE_SCHEM`, stable_name `TABLE_NAME`, 'TABLE' `TABLE_TYPE`, table_comment `REMARKS` from information_schema.ins_stables union all select db_name `TABLE_CAT`, '' `TABLE_SCHEM`, table_name `TABLE_NAME`, case when `type`='SYSTEM_TABLE' then 'TABLE' when `type`='NORMAL_TABLE' then 'TABLE' when `type`='CHILD_TABLE' then 'TABLE' else 'UNKNOWN' end `TABLE_TYPE`, table_comment `REMARKS` from information_schema.ins_tables union all select db_name `TABLE_CAT`, '' `TABLE_SCHEM`, view_name `TABLE_NAME`, 'VIEW' `TABLE_TYPE`, NULL `REMARKS` from information_schema.ins_views"
tdSql.query(sql, queryTimes=1)
tdSql.checkRows(47)
def stop(self):
tdSql.close()